wallet: Move txfilter into wallet

Transaction filters are strongly related to the wallet, this move just
makes it a bit more explicit.

Signed-off-by: Christian Decker <decker.christian@gmail.com>

lightningd/Makefile

@@ -73,7 +73,6 @@ LIGHTNINGD_SRC :=				\
 	lightningd/peer_control.c		\
 	lightningd/peer_htlcs.c			\
 	lightningd/subd.c			\
-	lightningd/txfilter.c			\
 	lightningd/watch.c
 
 # Source files without corresponding headers

lightningd/lightningd.h

@@ -7,8 +7,8 @@
 #include <ccan/time/time.h>
 #include <ccan/timer/timer.h>
 #include <lightningd/htlc_end.h>
-#include <lightningd/txfilter.h>
 #include <stdio.h>
+#include <wallet/txfilter.h>
 #include <wallet/wallet.h>
 
 /* BOLT #1:

wallet/Makefile

@@ -7,6 +7,7 @@ wallet-wrongdir:
 WALLET_LIB_SRC :=		\
 	wallet/db.c		\
 	wallet/invoices.c	\
+	wallet/txfilter.c	\
 	wallet/wallet.c		\
 	wallet/walletrpc.c